tamara, mrs. spiere's letter is heart wrenching and you can understand why she is frustrated feeling that these people who were with her, because she went back and forth, she went to a bar, she went over to the friends' house and left there alone. one of the boys said he saw her walk across the grass back over in the direction of her apartment, and then she disappeared, and they feel like these folks know more than they are saying. >> well, i'm sure that they probably do, but it's not the duty of the kids, unfortunately, and this is a tragic statement i'm about to make, but they don't have any duty to tell the parents exactly what happened for many reasons, because maybe what they say can be used against them later on. it is the duty of the police department, and of investigators to interview these people, to ask them questions, to put the story together, and i think that's where the parents' anger should be placed, towards the investigators, not the people who are potentially involved. martha: ke